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Catalytic Converter
Two animated slides explain the decomposition reactions that occurs within a catalytic converter. An enthalpy diagram is displayed. Hess's Law is demonstrated. Finally, the analogy of football is used to explain Hess's Law. This...
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Using several learning modalities to teach about the Periodic Table.
Pupils identify how to relate the position of an element in the periodic table to its atomic number and atomic mass. They identify how to use the periodic table to identify metals, semimetals, nonmetals, and halogens, and also, alkaline...
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I Have the Solution!
Students explain how to make solutions with specific concentration. In this chemistry instructional activity, students differentiate acids and bases. They calculate molarity of solutions.
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Gases
In this gas worksheet, students convert within units of pressure and temperature, they solve problems using the various gas laws, they explain concepts as they related to the kinetic molecular theory and they discuss details of a...
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You say Avocado, I say Avogadro
Students convert mole to mass to particles and vice versa. In this chemistry lesson, students discuss the importance of Avogadro's number. They apply what they have learned in a team competition.
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Excess Reactant
Junior chemists discover how to calculate excess reactants, handle limiting reactants, and determine percent yield. After background information is provided, step-by-step examples are solved. You can use this detailed slide show to teach...
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Ammonium Nitrate - Heat of Solution
Students quantify the relationship between temperature, energy and heat
and define an endothermic reaction. They measure the energy change caused by dissolving one mole of ammonium nitrate in water.
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Don’t be a Stoic about Stoichiometry
Young scholars review balancing chemical equations. In this chemistry lesson, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry...
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Lamarck vs Darwin: Dueling Theories
Pupils, in groups, study cheetah, blind cave organisms, and naked mole rats to explain facets of evolution.
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How can we calculate the molecular weight of butane?
Students colloborate in a lab experiment. No OBJECTIVES.
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Chemical Calculations
For this chemical calculations worksheet, students fill in 7 blanks with appropriate terms. They determine if 7 statements are true or false, they match 5 conversion problems to their solutions and they solve 2 stoichiometry problems...
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Unit 7 Acid and Base
A series of 25 multiple choice questions is presented to chemistry learners to review properties of acids and bases. A page of notes precedes the questions and contains information about the Arrhenius and Bronsted-Lowry definitions,...
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Determination of Equivalent Weight of an Acid
In this chemistry worksheet, students look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
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Acids and Bases: Together again!
Young scholars identify principles behind acid-base reactions. They predict factors that may affect an acid-base reaction. Students identify questions and concepts that guide scientific investigations.
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Avoiding Carbon Dioxide Emissions from Burning Fossil Fuels
Students calculate stoichiometrically the amount of carbon dioxide that would be emitted from burning a mole of varios alkanes that comprise fossile fuels. If the energy released from burning a mole of these alkanes is known, then the...
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Stoichiometry
Students discover stoichiometric relationships in chemical equations. They review mole to mole conversions. They understand mass/particle conversions. They perform a lab to reinforce stoichiometry.
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Acidity of Foods
Students investigate the acidity of foods using titration. In this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end point. ...
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Acid-Base Titration
Students determine the concentration of an unknown solution. This task assesses students' abilities to state hypothesis, develop procedures for investigation, plan for recording and organizing observations and data, collect data, create...
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Calorimetry Worksheet
In this chemistry worksheet, students answer the essay questions while focusing on the concept of measuring calories and there is a variety of types of problems.
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Stoichiometry
In this stoichiometry learning exercise, students review concepts related to stoichiometry including molar ratio and conservation of matter. Students calculate the number of mole is specific reactions. This learning exercise has 7 fill...
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Stoichiometry
For this stoichiometry worksheet, students identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...
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Solutions Worksheet
Young scholars complete a worksheet on solutes in chemistry. They are given an equation in order to find the total mass solution, molarity, and molality.
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Titration and Molarity
High schoolers investigate the concept of molarity and its relationship to the concentration of a solution. After mixing chemical solutions, they calculate how many moles of acid and base should be in each solution. They record their...
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Synthesizing Pigment and Dyeing Cloth
Students create a synthetic dye and oxidize the dye and record the effects.